From 0ee03178a023a6238510d4a80db7829edf575fca Mon Sep 17 00:00:00 2001
From: Kevin Gozali <fkg@fb.com>
Date: Fri, 23 Feb 2018 19:32:36 -0800
Subject: [PATCH] added C++ setup for FabricUIManager

Reviewed By: shergin

Differential Revision: D7077312

fbshipit-source-id: e284c151438eb4d1f67a8386580ab54e3dce7c17
---
 ReactCommon/fabric/BUCK                | 46 ++++++++++++++++++++++++++
 ReactCommon/fabric/FabricUIManager.cpp | 46 ++++++++++++++++++++++++++
 ReactCommon/fabric/FabricUIManager.h   | 34 +++++++++++++++++++
 ReactCommon/fabric/ShadowNode.cpp      | 15 +++++++++
 ReactCommon/fabric/ShadowNode.h        | 22 ++++++++++++
 5 files changed, 163 insertions(+)
 create mode 100644 ReactCommon/fabric/BUCK
 create mode 100644 ReactCommon/fabric/FabricUIManager.cpp
 create mode 100644 ReactCommon/fabric/FabricUIManager.h
 create mode 100644 ReactCommon/fabric/ShadowNode.cpp
 create mode 100644 ReactCommon/fabric/ShadowNode.h

diff --git a/ReactCommon/fabric/BUCK b/ReactCommon/fabric/BUCK
new file mode 100644
index 00000000000000..4fcbe82b5b40a9
--- /dev/null
+++ b/ReactCommon/fabric/BUCK
@@ -0,0 +1,46 @@
+load("@xplat//configurations/buck/apple:flag_defs.bzl", "DEBUG_PREPROCESSOR_FLAGS")
+load("//ReactNative:DEFS.bzl", "IS_OSS_BUILD", "rn_xplat_cxx_library", "APPLE_INSPECTOR_FLAGS")
+
+CXX_LIBRARY_COMPILER_FLAGS = [
+    "-std=c++14",
+    "-Wall",
+]
+
+APPLE_COMPILER_FLAGS = []
+
+if not IS_OSS_BUILD:
+    load("@xplat//configurations/buck/apple:flag_defs.bzl", "STATIC_LIBRARY_IOS_FLAGS", "flags")
+    APPLE_COMPILER_FLAGS = flags.get_flag_value(STATIC_LIBRARY_IOS_FLAGS, 'compiler_flags')
+
+rn_xplat_cxx_library(
+    name = "fabric",
+    srcs = glob(["**/*.cpp"]),
+    header_namespace = "",
+    exported_headers = subdir_glob(
+        [
+            ("", "**/*.h"),
+        ],
+        prefix = "fabric",
+    ),
+    compiler_flags = CXX_LIBRARY_COMPILER_FLAGS + [
+        "-fexceptions",
+        "-frtti",
+    ],
+    fbobjc_compiler_flags = APPLE_COMPILER_FLAGS,
+    fbobjc_preprocessor_flags = DEBUG_PREPROCESSOR_FLAGS + APPLE_INSPECTOR_FLAGS,
+    force_static = True,
+    preprocessor_flags = [
+        "-DLOG_TAG=\"ReactNative\"",
+        "-DWITH_FBSYSTRACE=1",
+    ],
+    visibility = [
+        "PUBLIC",
+    ],
+    deps = [
+        "xplat//fbsystrace:fbsystrace",
+        "xplat//folly:headers_only",
+        "xplat//folly:memory",
+        "xplat//folly:molly",
+        "xplat//third-party/glog:glog",
+    ],
+)
diff --git a/ReactCommon/fabric/FabricUIManager.cpp b/ReactCommon/fabric/FabricUIManager.cpp
new file mode 100644
index 00000000000000..c58fd859f141af
--- /dev/null
+++ b/ReactCommon/fabric/FabricUIManager.cpp
@@ -0,0 +1,46 @@
+// Copyright 2004-present Facebook. All Rights Reserved.
+
+#include "FabricUIManager.h"
+#include "ShadowNode.h"
+
+namespace facebook {
+namespace react {
+
+FabricUIManager::FabricUIManager() {}
+
+ShadowNodeRef FabricUIManager::createNode(int reactTag, std::string viewName, int rootTag, folly::dynamic props, void *instanceHandle) {
+  return std::make_shared<ShadowNode>(reactTag, viewName, rootTag, props, instanceHandle);
+}
+
+ShadowNodeRef FabricUIManager::cloneNode(const ShadowNodeRef &node) {
+  return nullptr;
+}
+
+ShadowNodeRef FabricUIManager::cloneNodeWithNewChildren(const ShadowNodeRef &node) {
+  return nullptr;
+}
+
+ShadowNodeRef FabricUIManager::cloneNodeWithNewProps(const ShadowNodeRef &node, folly::dynamic props) {
+  return nullptr;
+}
+
+ShadowNodeRef FabricUIManager::cloneNodeWithNewChildrenAndProps(const ShadowNodeRef &node, folly::dynamic newProps) {
+  return nullptr;
+}
+
+void FabricUIManager::appendChild(const ShadowNodeRef &parentNode, const ShadowNodeRef &childNode) {
+}
+
+ShadowNodeSetRef FabricUIManager::createChildSet(int rootTag) {
+  return nullptr;
+}
+
+void FabricUIManager::appendChildToSet(const ShadowNodeSetRef &childSet, const ShadowNodeRef &childNode) {
+}
+
+void FabricUIManager::completeRoot(int rootTag) {
+}
+
+}}
+
+
diff --git a/ReactCommon/fabric/FabricUIManager.h b/ReactCommon/fabric/FabricUIManager.h
new file mode 100644
index 00000000000000..118a713962a37a
--- /dev/null
+++ b/ReactCommon/fabric/FabricUIManager.h
@@ -0,0 +1,34 @@
+// Copyright 2004-present Facebook. All Rights Reserved.
+
+#pragma once
+
+#include <folly/dynamic.h>
+#include <folly/FBVector.h>
+#include <memory>
+
+namespace facebook {
+namespace react {
+
+class ShadowNode;
+
+typedef std::shared_ptr<const ShadowNode> ShadowNodeRef;
+typedef folly::fbvector<const ShadowNodeRef> ShadowNodeSet;
+typedef std::shared_ptr<const ShadowNodeSet> ShadowNodeSetRef;
+
+class FabricUIManager {
+public:
+  FabricUIManager();
+
+  ShadowNodeRef createNode(int reactTag, std::string viewName, int rootTag, folly::dynamic props, void *instanceHandle);
+  ShadowNodeRef cloneNode(const ShadowNodeRef &node);
+  ShadowNodeRef cloneNodeWithNewChildren(const ShadowNodeRef &node);
+  ShadowNodeRef cloneNodeWithNewProps(const ShadowNodeRef &node, folly::dynamic props);
+  ShadowNodeRef cloneNodeWithNewChildrenAndProps(const ShadowNodeRef &node, folly::dynamic newProps);
+  void appendChild(const ShadowNodeRef &parentNode, const ShadowNodeRef &childNode);
+  ShadowNodeSetRef createChildSet(int rootTag);
+  void appendChildToSet(const ShadowNodeSetRef &childSet, const ShadowNodeRef &childNode);
+  void completeRoot(int rootTag);
+};
+
+}}
+
diff --git a/ReactCommon/fabric/ShadowNode.cpp b/ReactCommon/fabric/ShadowNode.cpp
new file mode 100644
index 00000000000000..39b4d145a798c6
--- /dev/null
+++ b/ReactCommon/fabric/ShadowNode.cpp
@@ -0,0 +1,15 @@
+// Copyright 2004-present Facebook. All Rights Reserved.
+
+#include "ShadowNode.h"
+
+namespace facebook {
+namespace react {
+
+ShadowNode::ShadowNode(int reactTag, std::string viewName, int rootTag, folly::dynamic props, void *instanceHandle) :
+  reactTag_(reactTag),
+  viewName_(viewName),
+  rootTag_(rootTag),
+  props_(props),
+  instanceHandle_(instanceHandle) {}
+
+}}
diff --git a/ReactCommon/fabric/ShadowNode.h b/ReactCommon/fabric/ShadowNode.h
new file mode 100644
index 00000000000000..a707f7160970a9
--- /dev/null
+++ b/ReactCommon/fabric/ShadowNode.h
@@ -0,0 +1,22 @@
+// Copyright 2004-present Facebook. All Rights Reserved.
+
+#pragma once
+
+#include <folly/dynamic.h>
+#include <memory>
+
+namespace facebook {
+namespace react {
+
+class ShadowNode {
+public:
+  int reactTag_;
+  std::string viewName_;
+  int rootTag_;
+  folly::dynamic props_;
+  void *instanceHandle_;
+
+  ShadowNode(int reactTag, std::string viewName, int rootTag, folly::dynamic props, void *instanceHandle);
+};
+
+}}